#include <iostream>
using namespace std;

const int ROUND_DOWN = 1;
const int ROUND_UP = 2;
const int ROUND = 3;

void main()
{
    double num;
    int opt;

    cout << "Choose your round method:\n" << "1. Floor round\n" << "2. Ceiling round\n" << "3. Round to the nearest whole number\n";
    cin >> opt;
    if (opt>=1 && opt<=3)
    {
        cout << "Please enter the number you'd like to round with the method you chose: ";
        cin >> num;

        if (opt = ROUND_DOWN)
        {
            cout <<"The floor round of "<< num <<" is: "<<(int)num;
        }
        if (opt = ROUND_UP)
        {
            cout << "The ceiling round of " << num << " is: " << (int)num+1;
        }
        if (opt = ROUND)
        {
            cout << "The nearest whole number to the number " << num << " is: " << (int)(num + 0.5);
        }

    }

    else
    {
        cout << "Invalid choice,please restart the program and pick one of the 3 rounding options";
    }


}